fix: Do not announce "nil" pid

Signed-off-by: Ferenc Géczi <[email protected]>

Author: Ferenc-

lib/instana/backend/process_info.rb

@@ -18,7 +18,7 @@ def arguments
       end
 
       def parent_pid
-        if in_container? && sched_pid != pid
+        if in_container? && !sched_pid.nil?
           sched_pid
         else
           pid

lib/instana/version.rb

@@ -2,6 +2,6 @@
 # (c) Copyright Instana Inc. 2016
 
 module Instana
-  VERSION = "1.209.5"
+  VERSION = "1.209.6"
   VERSION_FULL = "instana-#{VERSION}"
 end